Penggayaan APA
LEWIS, Roger. (1990).
How to write flexible learning materials: .
Coventry:
NCET.
Chicago Style
LEWIS, Roger.
How to write flexible learning materials:.
Coventry:
NCET,
1990.
Buku.
MLA Style
LEWIS, Roger.
How to write flexible learning materials:.
Coventry:
NCET,
1990.
Buku.
Turabian Style
LEWIS, Roger.
How to write flexible learning materials:.
Coventry:
NCET,
1990.
Buku.